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chuck connor

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What is the Volume of a Debris Flow?part of Pedagogy in Action:Partners:Spreadsheets Across the Curriculum:Physical Volcanology:Examples SSAC Physical Volcanology module. Students build a spreadsheet to estimate the volume of volcanic deposits using map, thickness and high-water mark data from the 2005 Panabaj debris flow (Guatemala).

Porosity and Permeability of Magmaspart of Pedagogy in Action:Partners:Spreadsheets Across the Curriculum:Physical Volcanology:Examples SSAC Physical Volcanology module. Students build a spreadsheet for an iterative calculation to find volume of bubbles and hence porosity, permeability and gas escape as a function of depth.

How Do We Estimate Magma Viscosity?part of Pedagogy in Action:Partners:Spreadsheets Across the Curriculum:Physical Volcanology:Examples SSAC Physical Volcanology module. Students build a spreadsheet to examine how magma viscosity varies with temperature, fraction of crystals, and water content using the non-Arrhenian VFT model.

How are Flow Conditions in Volcanic Conduits Estimated?part of Pedagogy in Action:Partners:Spreadsheets Across the Curriculum:Physical Volcanology:Examples SSAC Physical Volcanology module. Students build a spreadsheet to calculate velocity of rising magma in steady-state Plinian eruptions using conservation of mass and momentum.

How Do We Estimate Melt Density?part of Pedagogy in Action:Partners:Spreadsheets Across the Curriculum:Physical Volcanology:Examples SSAC Physical Volcanology module. Students build spreadsheets to estimate melt density at high temperatures and pressures from the thermodynamic properties of silicates.